it's like with the rest of science. we'll apply the rigor, follow where the data leads. we'll leave our politics at the door. >> similar studies are under way in europe and canada. and they're halfway through a study offering this treatment to combat veterans, firefighters, and police officers. and here with me now is rachel hope. i should start off by pointing out, because people watch that -- no one is saying street ecstasy is safe. a lot of times you don't know what you're getting. but that wasn't the situation for you, necessarily. you were doing this in a very controlled setting. what was it like? you'd never done anything like this before. >> yeah, i've never done anything like that. but he made it so comfortable for me and prepared me, so when i got the medicine, i had an idea what would happen, but it was pretty remarkable. >> you described it, if i remember correctly, like your brain lit up like a christmas tree. >> yeah. >> so what is that? most people have no idea what that means. >> i don't either. i really want to know why it felt like that, like all my syst